Patent US1286634A successfully refreshed from Google Patents.
US3122601A
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Interferometer
Assignee: Individual
•
Filing: 1960-12-05
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Granted: 1964-02-25
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Expires: 1980-12-05
Abstract
No abstract record available.
Inventors
- 👤 Williams William Ewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:16
CPC Classifications
G; G01; G01B; G01B9/00; G01B9/02; G01B2290/00; G01B2290/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
AN INTERFEROMETER COMPRISING A SOURCE OF LIGHT, A LIGHT DIVIDING ELEMENT, A PAIR OF REFLECTING ELEMENTS SPACED ABOUT THE DIVIDING ELEMENT TO RECEIVE THE SEPARATE LIGHT BEAMS FROM THE DIVIDING ELEMENT AND REFLECT THEM BACK TO THE LIGHT DIVIDING ELEMENT FOR RECOMBINATION, ONE OF SAID ELEMENTS BEING MOVABLE, MEANS FOR MOVING SAID ONE REFLECTING ELEMENT, MEANS FOR RECEIVING THE RECOMBINED LIGHT BEAMS, AND LIGHT QUANTITY MODIFYING MEANS INCLUDING MEANS FOR PRODUCING A MULTI-RING IMAGE OF LIGHT FROM SAID SOURCE AND MEANS FOR RECEIVING SAID IMAGE AND TRANSMITTING TO THE LIGHT DIVIDING ELEMENT A PORTION THEREOF SELECTED IN RESPONSE TO MOVEMENT OF THE MOVABLE LIGHT REFLECTING ELEMENT, SAID LIGHT QUANTITY MODIFYING MEANS BEING ARRANGED INTERMEDIATE SAID LIGHT SOURCE AND SAID LIGHT DIVIDING ELEMENT AND COUPLED TO THE MEANS FOR MOVING THE MOVABLE LIGHT REFLECTING ELEMENT FOR VARYING THE AMOUNT OF LIGHT RECEIVED BY SAID LIGHT DIVIDING ELEMENT IN PROPORTION TO THE MOVEMENTS OF THE MOVABLE REFLECTING ELEMENT.
Claim 2
Dependent Claim
156 words
AN INTERFEROMETER COMPRISING A SOURCE OF LIGHT, A LIGHT DIVIDING ELEMENT, A PAIR OF REFLECTING ELEMENTS SPACED ABOUT THE DIVIDING ELEMENT TO RECEIVE THE SEPARATE LIGHT BEAMS FROM THE DIVIDING ELEMENT AND REFLECT THEM BACK TO THE LIGHT DIVIDING ELEMENT FOR RECOMBINATION, ONE OF SAID ELEMENTS BEING MOVABLE, MEANS FOR MOVING SAID ONE REFLECTING ELEMENT, MEANS FOR RECEIVING THE RECOMBINED LIGHT BEAMS, AND LIGHT QUANTITY MODIFYING MEANS INCLUDING MEANS FOR PRODUCING A MULTI-RING IMAGE OF LIGHT FROM SAID SOURCE AND MEANS FOR RECEIVING SAID IMAGE AND TRANSMITTING TO THE LIGHT DIVIDING ELEMENT A PORTION THEREOF SELECTED IN RESPONSE TO MOVEMENT OF THE MOVABLE LIGHT REFLECTING ELEMENT, SAID LIGHT QUANTITY MODIFYING MEANS BEING ARRANGED INTERMEDIATE SAID LIGHT SOURCE AND SAID LIGHT DIVIDING ELEMENT AND COUPLED TO THE MEANS FOR MOVING THE MOVABLE LIGHT REFLECTING ELEMENT FOR VARYING THE AMOUNT OF LIGHT RECEIVED BY SAID LIGHT DIVIDING ELEMENT IN PROPORTION TO THE MOVEMENTS OF THE MOVABLE REFLECTING ELEMENT.
References Cited (Backward Citations)
US1709809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |